scholarly journals Recent Advances in the Reutilization of Granite Waste in Various Fields

2021 ◽  
Vol 8 ◽  
pp. 30-40
Author(s):  
Di Wang ◽  
Jinshan Lu ◽  
Junxiong Zhan ◽  
Zhiyong Liu ◽  
Bin Xie
Keyword(s):  
Building Materials ◽  
Sewage Treatment ◽  
Value Added ◽  
High Strength ◽  
Potash Feldspar ◽  
Flotation Process ◽  
Recent Advances ◽  
Main Components ◽  
Fine Ceramics ◽  
Value Added Products

Quarrying and processing of granite produce large amounts of waste residues. Besides being a loss of resources, improper disposal of these wastes results in pollution of the soil, water and air around the dumpsites. The main components of granite waste are quartz, feldspars and a small amount of biotite. Due to its hard and dense texture, high strength, corrosion resistance and wear resistance, granite waste may be recycled into building materials, composite materials and fine ceramics, effectively improving their mechanical properties and durability. By using the flotation process, high value-added products such as potash feldspar and albite may be retrieved from granite waste. Also, granite waste has the potential for application in soil remediation and sewage treatment. This review presents recent advances in granite waste reutilization, and points out the problems associated with its use, and the related countermeasures, indicating the scale of high value-added reutilization of granite waste.

Recent advances in the conversion of bioglycerol into value-added products

2009 ◽  
Vol 111 (8) ◽  
pp. 788-799 ◽  
Author(s):  
Mario Pagliaro ◽  
Rosaria Ciriminna ◽  
Hiroshi Kimura ◽  
Michele Rossi ◽  
Cristina Della Pina
Keyword(s):  
Value Added ◽  
Recent Advances ◽  
Value Added Products

scholarly journals Basic Steps to Promote Biorefinery Value Chains in Forestry in Italy

2021 ◽  
Vol 13 (21) ◽  
pp. 11731
Author(s):  
Swati Tamantini ◽  
Alberto Del Lungo ◽  
Manuela Romagnoli ◽  
Alessandro Paletto ◽  
Michael Keller ◽  
...  
Keyword(s):  
Value Added ◽  
Energy Generation ◽  
Value Chains ◽  
Wood Biomass ◽  
Wood Industry ◽  
Lignocellulosic Feedstock ◽  
New Methodologies ◽  
End Use ◽  
Main Components ◽  
Value Added Products

Biorefineries are an important pillar to conduct the transition toward a circular bioeconomy. Forestry value chains produce wood biomass from harvesting and processing residues that have potential to be used in biorefineries, but currently, these residues are mostly used for energy generation. New biorefineries and new methodologies of wood fractionation allow the production of high value-added products based on carbohydrates and lignin. However, biorefineries based on lignocellulosic feedstock are still few in European countries and even less in Italy. The present study analyses the processes involved in a scenario of establishment of forest biorefineries, reviewing the main components and the actual organization of forestry value chains in Italy. The aim is to have a general vision, to identify and to focus the possibilities of the actual value chains and to fill gaps. The development of the territories is thought of in a perspective of a broader repertoire and more branched value chains than simple energy-generation end use, reviewing the tool for a feasibility study that could potentially involve lignocellulosic biorefineries also based on forest-wood industry feedstocks.

Recent advances in microbial CO2 fixation and conversion to value-added products

2020 ◽  
Vol 390 ◽  
pp. 124584 ◽  
Author(s):  
Hossein Salehizadeh ◽  
Ning Yan ◽  
Ramin Farnood
Keyword(s):  
Co2 Fixation ◽  
Value Added ◽  
Recent Advances ◽  
Value Added Products

scholarly journals Transition-metal catalyzed valorization of lignin: the key to a sustainable carbon-neutral future

2016 ◽  
Vol 14 (6) ◽  
pp. 1853-1914 ◽  
Author(s):  
Markus D. Kärkäs ◽  
Bryan S. Matsuura ◽  
Timothy M. Monos ◽  
Gabriel Magallanes ◽  
Corey R. J. Stephenson
Keyword(s):  
Transition Metal ◽  
Value Added ◽  
Recent Advances ◽  
Carbon Neutral ◽  
Transition Metal Catalyzed ◽  
Metal Catalyzed ◽  
Value Added Products

Recent advances in transition-metal catalyzed depolymerization of lignin to value-added products are discussed in this review.

Pretreatment methods of lignocellulosic wastes into value-added products: recent advances and possibilities

2020 ◽  
Author(s):  
Diego Batista Meneses ◽  
Gabriela Montes de Oca-Vásquez ◽  
José Roberto Vega-Baudrit ◽  
Mauricio Rojas-Álvarez ◽  
Joshua Corrales-Castillo ◽  
...  
Keyword(s):  
Value Added ◽  
Lignocellulosic Wastes ◽  
Recent Advances ◽  
Value Added Products

Study on the Resource Comprehensive Utilization of Mine Solid Waste

2012 ◽  
Vol 599 ◽  
pp. 586-591
Author(s):  
Yin Liu ◽  
Jun Tao Chen ◽  
Shu Yang Yao ◽  
Cheng Xiang Zhang
Keyword(s):  
Solid Waste ◽  
Energy Recovery ◽  
Building Materials ◽  
Market Competition ◽  
Value Added ◽  
Government Support ◽  
Environment Protection ◽  
Comprehensive Utilization ◽  
Potential Resource ◽  
Value Added Products

Mine solid waste is the great potential resource, but unreasonable resource development leads to the loss of solid waste and then does harm to environment. There are many ways of environmental management and comprehensive utilization of mine solid waste; recover useful elements, produce building materials, secondary energy recovery, fill the mine pit and collapse pit, paving, etc. However, many problems exist such as backward technology, lack of market competition due to low value-added products, government support which remains to be strengthened, less awareness of reasonable development of resources and effective environment protection, backward laws and regulations. Based on these problems, some relevant proposes were put forward.

Recent Advances in Enzymatic Conversion of Lignin to Value Added Products

2020 ◽  
pp. 439-471
Author(s):  
Giang-Son Nguyen ◽  
Anna Sofia Lewin ◽  
Francesca Di Bartolomeo ◽  
Alexander Wentzel
Keyword(s):  
Value Added ◽  
Enzymatic Conversion ◽  
Recent Advances ◽  
Value Added Products

Recent advances in biogas upgrading to value added products: A review

2021 ◽  
Author(s):  
Pali Rosha ◽  
Arshdeep Kaur Rosha ◽  
Hussameldin Ibrahim ◽  
Sandeep Kumar
Keyword(s):  
Value Added ◽  
Biogas Upgrading ◽  
Recent Advances ◽  
Value Added Products

Recent advances in CO2 hydrogenation to value-added products — Current challenges and future directions

2021 ◽  
Vol 85 ◽  
pp. 100905
Author(s):  
Samrand Saeidi ◽  
Sara Najari ◽  
Volker Hessel ◽  
Karen Wilson ◽  
Frerich J. Keil ◽  
...  
Keyword(s):  
Value Added ◽  
Co2 Hydrogenation ◽  
Future Directions ◽  
Recent Advances ◽  
Value Added Products

scholarly journals Recent Advances in Chemical Recycling of Polyethylene Terephthalate Waste into Value Added Products for Sustainable Coating Solutions- Hope Vs Hype

2022 ◽  
Author(s):  
Krishanu Ghosal ◽  
Chinmaya Nayak
Keyword(s):  
Polyethylene Terephthalate ◽  
Daily Life ◽  
Value Added ◽  
Chemical Recycling ◽  
Dinner Table ◽  
Recent Advances ◽  
Value Added Products

In the current era of globalization, plastics are an indispensable part of our daily life; from morning toothbrush to night dinner table, plastics are everywhere in our daily life. In...

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